AL9 5NY

Hatfield East · Welwyn Hatfield · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Hatfield
Local authority
Welwyn Hatfield
Constituency
Welwyn Hatfield
Postcode district
AL9
Postcode sector
AL9 5

Nearby postcodes

Nearby postcode distances
Postcode Distance
AL9 5NZ 35 m
AL9 5PD 65 m
AL9 5PB 66 m
AL9 5PA 89 m
AL9 5FD 110 m
Complete postcode fields and official codes
Postcode
AL9 5NY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
AL
Postcode district
AL9
Postcode sector
AL9 5
Latitude
51.773220
Longitude
-0.203354
British National Grid easting
524,057
British National Grid northing
209,809

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Welwyn Hatfield · E07000241
Parish or community
E04004819
Westminster constituency
Welwyn Hatfield · E14001573
Output area
E00190295
Lower layer super output area
Welwyn Hatfield 011B · E01023925
Middle layer super output area
Welwyn Hatfield 011 · E02004990

Postcode source versions

Explore AL9

7 recorded sales at this postcode
Address Date Price
Waterside Cottages, 4, Mill Green, Hatfield, AL9 5NY 15 March 2024 £500,000
Waterside Cottages, 5, Mill Green, Hatfield, AL9 5NY 20 July 2018 £327,000
Waterside Cottages, 3, Mill Green, Hatfield, AL9 5NY 9 March 2016 £280,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
38
Primary
27
Secondary
4
  1. The Ryde School

    Community school

    601 m
  2. Countess Anne Church of England School

    Academy converter

    1.4 km
  3. Birchwood Avenue Primary School

    Community school

    1.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,127
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 442
  • Anti social behaviour 170
  • Criminal damage and arson 86
  • Vehicle crime 82
  • Public order 71

Census 2021

Population and age profile

Postcode residents
11

6 female, 5 male

Postcode households
5
Residents per household
2.2
AL9 5 residents
2,816

Age bands in AL9 5

Wider postcode sector
Age 0 to 14
16.4%

528 residents

Age 15 to 24
8.4%

271 residents

Age 25 to 44
31.3%

1,009 residents

Age 45 to 64
25.2%

815 residents

Age 65 and over
18.7%

605 residents

This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider AL9 5 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
66.7%
Ultrafast, 100 Mbit/s+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

7

within 5 km

  • SPRING HOUSE HEALTH

    SPRING HOUSE SITE, ASCOTS LANE, WELWYN GARDEN CITY, AL7 4HL

    ODS code Y02639

    1.4 km

  • WRAFTON HOUSE SURGERY

    9-11 WELLFIELD ROAD, HATFIELD, AL10 0BS

    ODS code E82002

    1.8 km

  • LISTER HOUSE SURGERY

    THE COMMON, HATFIELD, AL10 0NL

    ODS code E82018

    1.9 km

  • BURVILL HOUSE SURGERY

    52-54 DELLFIELD ROAD, HATFIELD, AL10 8HP

    ODS code E82023

    2.1 km

  • HALL GROVE GROUP PRACTICE

    4 HALL GROVE, WELWYN GARDEN CITY, AL7 4PL

    ODS code E82062

    2.3 km

  • PEARTREE LANE SURGERY

    110 PEARTREE LANE, WELWYN GARDEN CITY, AL7 3UJ

    ODS code E82040

    2.7 km

  • THE GARDEN CITY PRACTICE

    BIRDCROFT ROAD, WELWYN GARDEN CITY, AL8 6EH

    ODS code E82041

    2.7 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Mill Green Lane

    BCT · Mill Green

    0.1 miles
  • Mill Green Lane

    BCT · Mill Green

    0.1 miles
  • Museum

    BCT · Mill Green

    0.1 miles
  • Museum

    BCT · Mill Green

    0.1 miles
  • Lodge Drive

    BCT · Hatfield

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for Welwyn Hatfield 011B, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

5 of 10

Overall England rank

16,583 of 33,755

Income
6 of 10
Employment
6 of 10
Education and skills
5 of 10
Health and disability
9 of 10
Crime
7 of 10
Housing and services
3 of 10
Living environment
2 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
2
Low risk addresses
4
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Property market

The five-year median is £500,000 from 1 recorded sale in AL9 5NY. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Welwyn Hatfield is £450,696 in June 2026, up 5.8% year on year.

Schools

38 open schools are in scope, including 27 primary and 4 secondary schools. The Ryde School is the nearest published school at 601 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

1,127 published events cover 12 months, averaging 93.917 events per published month. The largest recorded category is Violence and sexual offences with 442 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.